Dichlorodimethylsilane
Names
[ CAS No. ]:
75-78-5
[ Name ]:
Dichlorodimethylsilane
[Synonym ]:
UNII-8TSJ92JX69
EINECS 200-901-0
Silane, dichlorodimethyl-
MFCD00000491
Dichlorodimethylsilane
Dimethyldichlorosilane [UN1162] [Flammable liquid]
DIMETHYLDICHLOROSILANE
4-04-00-04111 (Beilstein Handbook Reference)
Dimethyl dichlorosilane
Dichloro(dimethyl)silane
Dow Corning product Z-1219
Chemical & Physical Properties
[ Density]:
1.1±0.1 g/cm3
[ Boiling Point ]:
70.0±0.0 °C at 760 mmHg
[ Melting Point ]:
-76 °C
[ Molecular Formula ]:
C2H6Cl2Si
[ Molecular Weight ]:
129.061
[ Flash Point ]:
-16.1±0.0 °C
[ Exact Mass ]:
127.961578
[ LogP ]:
3.18
[ Vapour Pressure ]:
142.6±0.1 mmHg at 25°C
[ Index of Refraction ]:
1.410
[ Stability ]:
Stable. Reacts violently with water and alcohols. Highly flammable. Incompatible with strong oxidizing agents, water, alcohols, caustics, ammonia.
[ Water Solubility ]:
reacts
MSDS
Toxicological Information
CHEMICAL IDENTIFICATION
- RTECS NUMBER :
- VV3150000
- CHEMICAL NAME :
- Silane, dichlorodimethyl-
- CAS REGISTRY NUMBER :
- 75-78-5
- BEILSTEIN REFERENCE NO. :
- 0605287
- LAST UPDATED :
- 199710
- DATA ITEMS CITED :
- 10
- MOLECULAR FORMULA :
- C2-H6-Cl2-Si
- MOLECULAR WEIGHT :
- 129.07
- WISWESSER LINE NOTATION :
- G-SI-G1&1
HEALTH HAZARD DATA
ACUTE TOXICITY DATA
- TYPE OF TEST :
- Standard Draize test
- ROUTE OF EXPOSURE :
- Administration onto the skin
- SPECIES OBSERVED :
- Rodent - rabbit
- REFERENCE :
- 85JCAE "Prehled Prumyslove Toxikologie; Organicke Latky," Marhold, J., Prague, Czechoslovakia, Avicenum, 1986 Volume(issue)/page/year: -,1219,1986
- TYPE OF TEST :
- Standard Draize test
- ROUTE OF EXPOSURE :
- Administration into the eye
- SPECIES OBSERVED :
- Rodent - rabbit
- REFERENCE :
- 85JCAE "Prehled Prumyslove Toxikologie; Organicke Latky," Marhold, J., Prague, Czechoslovakia, Avicenum, 1986 Volume(issue)/page/year: -,1219,1986 ** ACUTE TOXICITY DATA **
- TYPE OF TEST :
- LD50 - Lethal dose, 50 percent kill
- ROUTE OF EXPOSURE :
- Oral
- SPECIES OBSERVED :
- Rodent - rat
- DOSE/DURATION :
- 5660 uL/kg
- TOXIC EFFECTS :
- Behavioral - somnolence (general depressed activity) Lungs, Thorax, or Respiration - dyspnea Liver - other changes
- REFERENCE :
- ATDAEI Acute Toxicity Data. Journal of the American College of Toxicology, Part B. (Mary Ann Liebert, Inc., 1651 Third Ave., New York, NY 10128) V.1- 1990- Volume(issue)/page/year: 12,573,1993
- TYPE OF TEST :
- LC50 - Lethal concentration, 50 percent kill
- ROUTE OF EXPOSURE :
- Inhalation
- SPECIES OBSERVED :
- Rodent - rat
- DOSE/DURATION :
- 930 ppm/4H
- TOXIC EFFECTS :
- Details of toxic effects not reported other than lethal dose value
- REFERENCE :
- 85JCAE "Prehled Prumyslove Toxikologie; Organicke Latky," Marhold, J., Prague, Czechoslovakia, Avicenum, 1986 Volume(issue)/page/year: -,1219,1986
- TYPE OF TEST :
- LDLo - Lowest published lethal dose
- ROUTE OF EXPOSURE :
- Intraperitoneal
- SPECIES OBSERVED :
- Rodent - rat
- DOSE/DURATION :
- 10 mg/kg
- TOXIC EFFECTS :
- Details of toxic effects not reported other than lethal dose value
- REFERENCE :
- JIHTAB Journal of Industrial Hygiene and Toxicology. (Cambridge, MA) V.18-31, 1936-49. For publisher information, see AEHLAU. Volume(issue)/page/year: 30,332,1948
- TYPE OF TEST :
- LC50 - Lethal concentration, 50 percent kill
- ROUTE OF EXPOSURE :
- Inhalation
- SPECIES OBSERVED :
- Rodent - mouse
- DOSE/DURATION :
- 300 mg/m3/2H
- TOXIC EFFECTS :
- Details of toxic effects not reported other than lethal dose value
- REFERENCE :
- TPKVAL Toksikologiya Novykh Promyshlennykh Khimicheskikh Veshchestv. Toxicology of New Industrial Chemical Substances. For English translation, see TNICS*. (Izdatel'stvo Meditsina, Moscow, USSR) No.1- 1961- Volume(issue)/page/year: 3,23,1961 *** NIOSH STANDARDS DEVELOPMENT AND SURVEILLANCE DATA *** NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA : NOHS - National Occupational Hazard Survey (1974) NOHS Hazard Code - 83986 No. of Facilities: 54 (estimated) No. of Industries: 2 No. of Occupations: 2 No. of Employees: 170 (estimated) NOES - National Occupational Exposure Survey (1983) NOES Hazard Code - 83986 No. of Facilities: 26 (estimated) No. of Industries: 2 No. of Occupations: 4 No. of Employees: 738 (estimated) No. of Female Employees: 69 (estimated)
Safety Information
[ Symbol ]:
GHS02, GHS05, GHS06
[ Signal Word ]:
Danger
[ Hazard Statements ]:
H225-H302-H314-H331
[ Supplemental HS ]:
Corrosive to the respiratory tract., Reacts violently with water.
[ Precautionary Statements ]:
P210-P261-P280-P305 + P351 + P338-P310
[ Personal Protective Equipment ]:
Faceshields;full-face respirator (US);Gloves;Goggles;multi-purpose combination respirator cartridge (US);type ABEK (EN14387) respirator filter
[ Hazard Codes ]:
F:Flammable
[ Risk Phrases ]:
R11;R36/37/38
[ Safety Phrases ]:
S60-S61-S62-S36/37-S59
[ RIDADR ]:
UN 2924 3/PG 2
[ WGK Germany ]:
3
[ RTECS ]:
VV3150000
[ Packaging Group ]:
II
[ Hazard Class ]:
3
[ HS Code ]:
29310095
Synthetic Route
Precursor & DownStream
Precursor
DownStream
Customs
[ HS Code ]: 29310095
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